Zheng Liping. Analysis of Hydrogeological Conditions and Water Inrush Prevention Measures for Mining Lower Coal Seams in Xinglongzhuang Coal MineJ. Clean Coal Technology, 2009, (05).
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Citation:
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Zheng Liping. Analysis of Hydrogeological Conditions and Water Inrush Prevention Measures for Mining Lower Coal Seams in Xinglongzhuang Coal MineJ. Clean Coal Technology, 2009, (05).
|
Zheng Liping. Analysis of Hydrogeological Conditions and Water Inrush Prevention Measures for Mining Lower Coal Seams in Xinglongzhuang Coal MineJ. Clean Coal Technology, 2009, (05).
|
Citation:
|
Zheng Liping. Analysis of Hydrogeological Conditions and Water Inrush Prevention Measures for Mining Lower Coal Seams in Xinglongzhuang Coal MineJ. Clean Coal Technology, 2009, (05).
|